[skip ci]Add comment for rocksmq reader (#12895)

Signed-off-by: fishpenguin <kun.yu@zilliz.com>
2021-12-08 09:14:32 +08:00 · 2021-12-08 09:14:32 +08:00 · 43eece5545
parent 4c7c4226f5
commit 43eece5545
1 changed files with 1 additions and 0 deletions
--- a/internal/util/rocksmq/client/rocksmq/reader_impl.go
+++ b/internal/util/rocksmq/client/rocksmq/reader_impl.go
@ -55,6 +55,7 @@ func (r *reader) Topic() string {
 	return r.topic
 }

+// Next return the next message of reader, blocking until a message is available
 func (r *reader) Next(ctx context.Context) (Message, error) {
 	cMsg, err := r.c.server.Next(ctx, r.topic, r.name, r.startMessageIDInclusive)
 	if err != nil {